#include <stdio.h>
#include <tuple>

std::tuple<int, int, int> d()
{
    return std::make_tuple<int, int, int>(1, 2, 3);
}

int main()
{
    int a, b, c;
    std::tie(a, b, c) = d();
    printf("%d, %d, %d\n", a, b, c);
}
